match: Seattle Sounders FC 2–4 Chelsea; CenturyLink Field; July 18, 2012. Record wins All statistics are correct . Record win: Seattle Sounders FC 7–0 UCF Knights; Preseason; February 11, 2009 Record Major League Soccer win: Seattle Sounders FC 7–1 San Jose Earthquakes; CenturyLink Field; September 10, 2020 Record U.S. Open Cup win: Seattle Sounders FC 6–0 Chicago Fire; Starfire Sports Complex; August 13, 2014 Record CONCACAF Champions League win: Seattle Sounders FC 4–0 Santa Tecla; CenturyLink Field; March 1, 2018 Record losses All statistics are correct . Record loss: Seattle Sounders FC 1–6 Santos Laguna; CONCACAF Champions League; March 11, 2012 Record Major League Soccer loss: Seattle Sounders FC 0–5 New England Revolution; Gillette Stadium; May 11, 2014 Record CONCACAF Champions League loss: Seattle Sounders FC 1–6 Santos Laguna; CONCACAF Champions League; March 11, 2012 References records and statistics Seattle Sounders FC